Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
technologien dis » technologien des, technologien als, technologien im
information rate » information ratio, information related, information matter
de communication » mobile communication, online communication
dis information » mis information, aids information, des informations
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
rate debt » private debt
costa 3.2 » cost 3.2, costs 3.5, cost 1.2
debt de » debt do, debt debt, debt gdp

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologien dis information rate debt de communication costa 3.2 developing _ areas.*.